BSA Brake drum and sprocket, Fits models: M20, M21, M33, B31, B33 Plunger 1949-1955, Crinkle hub, 6 bolt fitting Number of teeth: 42. Chain pitch: 5/8" x 1/4". WHEEL & BRAKE. FRONT FORKS & FIXINGS. FILTERS AIR OIL AND FUEL.
BSA M20 M21 M33 OIL TANK FILTER
BSA PLUNGER M20 M21 M33 B31 B33 REAR BRAKE DRUM AND SPROCKET 42T (65-6294)
Lucas Main Wiring Harness Loom BSA B/M Group B31 B32 B33 B34 M20 M21 M33 1946-55
BSA B31 B32 B33 B34 C10 C11 M20 M21 M33 PRIMARY CHAINCASE GASKET SET UK MADE
BSA A7 A10 A50 A65 B31 B33 B40 C15 M20 M21 M33 FORK GAITERS 42-5320 PAIR
BSA B31 B32 B33 B34 C10 C11 M20 M21 M33 (1945-1959) OWNERS REPAIR HANDBOOK
